Results 81 to 90 of about 2,822,972 (301)
Adaptive beamforming for binary phase shift keying communication systems
, 2006 system
Chen, S., Hanzo, L., Tan, S.
core +2 more sources
Adaptive Time-Channel Beamforming for Time-of-Flight Correction [PDF]
arXiv, 2021 Adaptive beamforming can lead to substantial improvement in resolution and contrast of ultrasound images over standard delay and sum beamforming. Here we introduce the adaptive time-channel (ATC) beamformer, a data-driven approach that combines spatial and temporal information simultaneously, thus generalizing minimum variance beamformers. Moreover, we
arxiv
Engineering Reports, 2021 Smart antennas are becoming popular in the area of cellular wireless communication for capacity enhancement and reduction of the multipath effect and interference. The demand for smart antennas is widely increasing as 5G cellular communication evolves to
SK Imtiaj +2 more
doaj +1 more source
A Review of the State of the Art and Future Challenges of Deep Learning-Based Beamforming
IEEE Access, 2022 The key objective of this paper is to explore the recent state-of-the-art artificial intelligence (AI) applications on the broad field of beamforming. Hence, a multitude of AI-oriented beamforming studies are thoroughly investigated in order to correctly
Haya Al Kassir +5 more
doaj +1 more source
Low-Cost Maximum Entropy Covariance Matrix Reconstruction Algorithm for Robust Adaptive Beamforming [PDF]
arXiv, 2020 In this letter, we present a novel low-complexity adaptive beamforming technique using a stochastic gradient algorithm to avoid matrix inversions. The proposed method exploits algorithms based on the maximum entropy power spectrum (MEPS) to estimate the noise-plus-interference covariance matrix (MEPS-NPIC) so that the beamforming weights are updated ...
arxiv
Medical Photoacoustic Beamforming Using Minimum Variance-Based Delay Multiply and Sum [PDF]
Proceedings Volume 10335, Digital Optical Technologies 2017;
1033522 (2017), 2018 Delay-and-Sum (DAS) beamformer is the most common beamforming algorithm in Photoacoustic imaging (PAI) due to its simple implementation and real time imaging. However, it provides poor resolution and high levels of sidelobe. A new algorithm named Delay-Multiply-and-Sum (DMAS) was introduced. Using DMAS leads to lower levels of sidelobe compared to DAS,
arxiv +1 more source
AN ADAPTIVE BEAMFORMER BASED ON ADAPTIVE COVARIANCE ESTIMATOR [PDF]
Progress In Electromagnetics Research M, 2014 Based on the Minimum Variance Distortionless Response-Sample Matrix Inversion (MVDR- SMI) method, we propose a novel Adaptive Covariance Estimator (MVDR-ACE) beamformer for adaptation to multiple interference environments. The MVDR-ACE beamformer iteratively determines a minimum number of data samples required while maintaining its average signal-to ...
openaire +1 more source
IET Quantum Communication, EarlyView.This paper presents an overview of the various aspects of 6G communication architecture, focusing on its technologies, challenges, and applications within the domain of artificial intelligence (AI). The paper explores the evolving landscape of wireless communication, delving into the anticipated features and capabilities of 6G networks.
Pranita Bhide +2 more
wiley +1 more source
Music Genre Classification Algorithm Based on Multihead Attention Mechanism
Advances in Multimedia, 2022 Retrieving music information is indispensable and divided into multiple genres. Music genres can be attributed to set categories, which are the indispensable functions of intelligent music recommendation systems.
Peng Cheng
doaj +1 more source
Using Practical Supergain for Passive Imaging with Noise [PDF]
, 2011 Recent work has shown that endfire beamforming of ocean noise can be used to produce images of the seabed layering [Siderius et al., J. Acoust. Soc. Am. 120, 1315–1323 (2006)].
Siderius, Martin
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